Abstract
Purpose
To explore the correlation between financial toxicity, social support, and social functioning in post-chemotherapy breast cancer patients, as well as any possible interaction of financial toxicity and social support on social functioning.
Methods
Post-chemotherapy breast cancer patients admitted to the thyroid and breast surgery departments of three first-class general hospitals in East China from December 2020 to January 2022 were recruited by convenience sampling for a cross-sectional survey. The survey instruments included the general information form, the comprehensive scores for financial toxicity based on the patient-reported outcome measures (COST-PROM), the social roles and activity participation subscale from the patient-reported outcomes measurement system-breast-chemotherapy (PROMS-B-C) (score range: 8–40), and the social support subscale from PROMS-B-C (score range: 16–80).
Results
The results showed that low social functioning (low score) in post-chemotherapy breast cancer patients was positively correlated with high financial toxicity (low score) as well as poor economic resources (low score) and poor psychosocial responses (low score) (P<0.01) and negatively correlated with low economic expenditures (low score) (P<0.01); high social functioning (high score) was positively correlated with high social support (high score) (P<0.01). The interaction analysis results showed an additive interaction between financial toxicity and social support in social functioning.
Conclusion
There was an additive interaction of financial toxicity and social support in the social functioning of post-chemotherapy breast cancer patients. Those patients with high financial toxicity and low social support are the most likely to benefit from relevant intervention measures compared to other breast cancer populations.
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Data availability
The authors have full control of all primary data and agree to allow the journal to review the data on reasonable request.
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Acknowledgements
We offer our heartfelt appreciation to the study participants and the affiliated hospitals.
Funding
This study was supported by National Natural Science Foundation of China (Grant No. 81801098) and the Key Project of Philosophy and Social Science Research in Colleges and Universities in Jiangsu Province (No. 2023SJZD144).
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All authors contributed to the study’s conception and design. Material preparation, data collection and analysis were performed by Qiuyun Chen, Lu Lin, Fengxia Lai, Daoxia Guo, and Jie Wang. The first draft of the manuscript was written by Qiuyun Chen and was supervised by Li Tian. All authors read and approved the final manuscript.
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This study acquired ethical approval from the Medical Ethics Committee of Soochow University (Approval No. 20201221H03). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Lin, L., Chen, Q., Lai, F. et al. The interaction of financial toxicity and social support on social functioning in post-chemotherapy breast cancer patients: a cross-sectional study. Support Care Cancer 31, 583 (2023). https://doi.org/10.1007/s00520-023-08048-z
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DOI: https://doi.org/10.1007/s00520-023-08048-z